{"id":"https://openalex.org/W1857545705","doi":"https://doi.org/10.1007/978-3-7908-1834-5_40","title":"Declarative Knowledge Extraction with Iterative User-Defined Aggregates","display_name":"Declarative Knowledge Extraction with Iterative User-Defined Aggregates","publication_year":2001,"publication_date":"2001-01-01","ids":{"openalex":"https://openalex.org/W1857545705","doi":"https://doi.org/10.1007/978-3-7908-1834-5_40","mag":"1857545705"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-7908-1834-5_40","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-7908-1834-5_40","pdf_url":null,"source":{"id":"https://openalex.org/S4306418427","display_name":"Flexible Query Answering Systems","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Flexible Query Answering Systems","raw_type":"book-chapter"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024505700","display_name":"Fosca Giannotti","orcid":"https://orcid.org/0000-0003-3099-3835"},"institutions":[{"id":"https://openalex.org/I108290504","display_name":"University of Pisa","ror":"https://ror.org/03ad39j10","country_code":"IT","type":"education","lineage":["https://openalex.org/I108290504"]},{"id":"https://openalex.org/I122991210","display_name":"Istituto di Scienza e Tecnologie dell'Informazione \"Alessandro Faedo\"","ror":"https://ror.org/05kacka20","country_code":"IT","type":"facility","lineage":["https://openalex.org/I122991210","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Fosca Giannotti","raw_affiliation_strings":["CNUCE Institute, Pisa Research Area, Via Alfieri 1, I56010, Ghezzano (PI), Italy","Pisa Research Area"],"affiliations":[{"raw_affiliation_string":"CNUCE Institute, Pisa Research Area, Via Alfieri 1, I56010, Ghezzano (PI), Italy","institution_ids":["https://openalex.org/I122991210"]},{"raw_affiliation_string":"Pisa Research Area","institution_ids":["https://openalex.org/I108290504"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004372595","display_name":"Giuseppe Manco","orcid":"https://orcid.org/0000-0001-9672-3833"},"institutions":[{"id":"https://openalex.org/I122991210","display_name":"Istituto di Scienza e Tecnologie dell'Informazione \"Alessandro Faedo\"","ror":"https://ror.org/05kacka20","country_code":"IT","type":"facility","lineage":["https://openalex.org/I122991210","https://openalex.org/I4210155236"]},{"id":"https://openalex.org/I108290504","display_name":"University of Pisa","ror":"https://ror.org/03ad39j10","country_code":"IT","type":"education","lineage":["https://openalex.org/I108290504"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giuseppe Manco","raw_affiliation_strings":["CNUCE Institute, Pisa Research Area, Via Alfieri 1, I56010, Ghezzano (PI), Italy","Pisa Research Area"],"affiliations":[{"raw_affiliation_string":"CNUCE Institute, Pisa Research Area, Via Alfieri 1, I56010, Ghezzano (PI), Italy","institution_ids":["https://openalex.org/I122991210"]},{"raw_affiliation_string":"Pisa Research Area","institution_ids":["https://openalex.org/I108290504"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5024505700"],"corresponding_institution_ids":["https://openalex.org/I108290504","https://openalex.org/I122991210"],"apc_list":null,"apc_paid":null,"fwci":1.1103,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.79011543,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"435","last_page":"444"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11063","display_name":"Rough Sets and Fuzzy Logic","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7414868474006653},{"id":"https://openalex.org/keywords/distributive-property","display_name":"Distributive property","score":0.724265992641449},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.6784569621086121},{"id":"https://openalex.org/keywords/formalism","display_name":"Formalism (music)","score":0.5659548044204712},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4440881907939911},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3885403275489807},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3306761384010315},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.33024924993515015},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17742624878883362}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7414868474006653},{"id":"https://openalex.org/C11821877","wikidata":"https://www.wikidata.org/wiki/Q187959","display_name":"Distributive property","level":2,"score":0.724265992641449},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.6784569621086121},{"id":"https://openalex.org/C73301696","wikidata":"https://www.wikidata.org/wiki/Q5469984","display_name":"Formalism (music)","level":3,"score":0.5659548044204712},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4440881907939911},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3885403275489807},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3306761384010315},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.33024924993515015},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17742624878883362},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C558565934","wikidata":"https://www.wikidata.org/wiki/Q2743","display_name":"Musical","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-7908-1834-5_40","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-7908-1834-5_40","pdf_url":null,"source":{"id":"https://openalex.org/S4306418427","display_name":"Flexible Query Answering Systems","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Flexible Query Answering Systems","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W166666332","https://openalex.org/W1480446764","https://openalex.org/W1504783514","https://openalex.org/W1520923555","https://openalex.org/W1530966915","https://openalex.org/W1539916429","https://openalex.org/W1562318619","https://openalex.org/W1572467507","https://openalex.org/W1599878308","https://openalex.org/W1768000531","https://openalex.org/W1823692244","https://openalex.org/W1857545705","https://openalex.org/W1995532290","https://openalex.org/W2103533662","https://openalex.org/W2142334564","https://openalex.org/W2912436939","https://openalex.org/W4292881157","https://openalex.org/W6637170354","https://openalex.org/W6638493771"],"related_works":["https://openalex.org/W2382957647","https://openalex.org/W2094667621","https://openalex.org/W1509295490","https://openalex.org/W1749534632","https://openalex.org/W3013987451","https://openalex.org/W2962878999","https://openalex.org/W4206240906","https://openalex.org/W1968830388","https://openalex.org/W4319310753","https://openalex.org/W2520370770"],"abstract_inverted_index":{"We":[0],"present":[1],"the":[2,12,52,76,80],"notion":[3,13],"of":[4,11,14,54],"Iterative":[5],"User-Defined":[6],"Aggregates":[7],"as":[8,36,59],"an":[9,21],"extension":[10,22],"user-defined":[15,60],"aggregates":[16],"in":[17],"deductive":[18],"databases.":[19],"Such":[20],"provides":[23,65],"a":[24,40,46,66],"versative":[25],"mechanism":[26,47],"for":[27],"defining":[28],"complex":[29,55],"aggregation":[30],"functions,":[31],"that":[32],"are":[33],"not":[34],"definable":[35],"distributive":[37],"aggregates.":[38,61],"As":[39],"result,":[41],"we":[42],"show":[43],"how":[44],"such":[45],"can":[48],"be":[49],"applied":[50],"to":[51,69],"specification":[53],"data":[56],"mining":[57],"tasks":[58],"The":[62],"resulting":[63],"formalism":[64],"flexible":[67],"way":[68],"customize,":[70],"tune":[71],"and":[72,79],"reason":[73],"on":[74],"both":[75],"evaluation":[77],"functions":[78],"extracted":[81],"knowledge.":[82]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}